Sure, this is a very good point of view. You are right.You are misunderstanding what "appeal to expert" means. Unless you personally have actually gone to the Arctic and measured glacial retreat, or at the very least, have, in your hands the raw data and are an expert in the science - then you have no choice but to appeal to experts.
You can say you examine the evidence and draw your own conclusions, sure, but if asked to back up your claims, you will ultimately refer to some expert's work, even if indirectly.
To pretend to not appeal to an expert is tantamount to saying your opinion is completely unfounded.